CVE-2026-65104
NVIDIA Megatron-LM Cache Hash Collision Vulnerability
Description
NVIDIA Megatron-LM for all platforms contains a vulnerability in inference, where an attacker could cause hash collisions in the cache used for inference requests. A successful exploit of this vulnerability might lead to data tampering and partial information disclosure.
INFO
Published Date :
Oct. 13, 2026, 1:17 p.m.
Last Modified :
Oct. 13, 2026, 1:17 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 9576f279-3576-44b5-a4af-b9a8644b2de6 | ||||
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update NVIDIA Megatron-LM to the latest version.
- Apply relevant security patches from NVIDIA.
- Review and strengthen cache validation mechanisms.
- Monitor inference requests for unusual activity.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-65104.
| URL | Resource |
|---|---|
| https://github.com/NVIDIA/product-security/tree/main/2026/5881 | |
| https://nvd.nist.gov/vuln/detail/CVE-2026-65104 | |
| https://www.cve.org/CVERecord?id=CVE-2026-65104 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-65104 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-65104
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-65104 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-65104 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by [email protected]
Oct. 13, 2026
Action Type Old Value New Value Added Description NVIDIA Megatron-LM for all platforms contains a vulnerability in inference, where an attacker could cause hash collisions in the cache used for inference requests. A successful exploit of this vulnerability might lead to data tampering and partial information disclosure. Added CVSS V3.1 AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:N Added CWE CWE-328 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/65xxx/CVE-2026-65104.json">CVE-2026-65104</a> Added Reference https://github.com/NVIDIA/product-security/tree/main/2026/5881 Added Reference https://nvd.nist.gov/vuln/detail/CVE-2026-65104 Added Reference https://www.cve.org/CVERecord?id=CVE-2026-65104